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/* Copyright (c) 2017-2018 Dovecot authors, see the included COPYING file */
#include "stats-common.h"
#include "restrict-access.h"
#include "ioloop.h"
#include "master-service.h"
#include "master-service-settings.h"
#include "stats-settings.h"
#include "stats-event-category.h"
#include "stats-metrics.h"
#include "stats-service.h"
#include "client-writer.h"
#include "client-reader.h"
#include "client-http.h"
struct stats_metrics *stats_metrics;
time_t stats_startup_time;
static const struct stats_settings *stats_settings;
static bool client_is_writer(const char *path)
{
const char *name, *suffix;
name = strrchr(path, '/');
if (name == NULL)
name = path;
else
name++;
suffix = strrchr(name, '-');
if (suffix == NULL)
suffix = name;
else
suffix++;
return strcmp(suffix, "writer") == 0;
}
static void client_connected(struct master_service_connection *conn)
{
if (strcmp(conn->name, "http") == 0)
client_http_create(conn);
else if (client_is_writer(conn->name))
client_writer_create(conn->fd);
else
client_reader_create(conn->fd);
master_service_client_connection_accept(conn);
}
static void stats_die(void)
{
/* just wait for existing stats clients to disconnect from us */
}
static void main_preinit(void)
{
restrict_access_by_env(RESTRICT_ACCESS_FLAG_ALLOW_ROOT, NULL);
restrict_access_allow_coredumps(TRUE);
}
static void main_init(void)
{
void **sets = master_service_settings_get_others(master_service);
stats_settings = sets[0];
stats_startup_time = ioloop_time;
stats_metrics = stats_metrics_init(stats_settings);
stats_event_categories_init();
client_readers_init();
client_writers_init();
client_http_init(stats_settings);
stats_services_init();
}
static void main_deinit(void)
{
stats_services_deinit();
client_readers_deinit();
client_writers_deinit();
client_http_deinit();
stats_event_categories_deinit();
stats_metrics_deinit(&stats_metrics);
}
int main(int argc, char *argv[])
{
const struct setting_parser_info *set_roots[] = {
&stats_setting_parser_info,
NULL
};
const enum master_service_flags service_flags =
MASTER_SERVICE_FLAG_NO_SSL_INIT |
MASTER_SERVICE_FLAG_DONT_SEND_STATS |
MASTER_SERVICE_FLAG_NO_IDLE_DIE |
MASTER_SERVICE_FLAG_UPDATE_PROCTITLE;
const char *error;
master_service = master_service_init("stats", service_flags,
&argc, &argv, "");
if (master_getopt(master_service) > 0)
return FATAL_DEFAULT;
if (master_service_settings_read_simple(master_service, set_roots,
&error) < 0)
i_fatal("Error reading configuration: %s", error);
master_service_init_log(master_service);
master_service_set_die_callback(master_service, stats_die);
main_preinit();
main_init();
master_service_init_finish(master_service);
master_service_run(master_service, client_connected);
main_deinit();
master_service_deinit(&master_service);
return 0;
}
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